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Print friendly version TYPICAL PHYSICAL STRENGTH PROPERTIES

  CONCRETE SPRAY-CRETE
RATIO OF POLYMER TO CEMENT WEIGHT 0 .20
Compressive Strength (P.S.I.) ASTM C 109  
7 Day air cure   4378
28 Day air cure 2390 6050
Tensile Strength (P.S.I.) ASTM C 190  
7 Day air cure   582
28 Day air cure 235 584
Flexural Strength (P.S.I.) ASTM C 348  
7 Day air cure   1383
28 Day air cure 610 1953
Shear Bond Adhesion (P.S.I.) Lab Method  
7 Day air cure   407
28 Day air cure 45 650
Impact Strength (In-Lbs.) Gardner Impact Tester  
7 Day cure  
28 Day cure 6 16
Abrasion Resistance ASTM C 779
(weight loss in grams per 100 cycles)
 
7 Day air cure   3.10
28 Day air cure   2.49
Slip Resistance (Static Friction) ASTM D 4518
1 oz. Pumice added		  
Dry   1.295
Wet   1.072

ASTM References:

ASTM C 109: Standard Test Method for Compressive Strength of Hydraulic Cement Mortars.

ASTM C 190: Method of Testing for Tensile Strength of Hydraulic Cement Mortars.

ASTM C 348: Standard Test Method for Flexural Strength of Hydraulic Cement Mortars.

ASTM C 779: Standard Test Method for Abrasion Resistance of Horizontal Concrete Surfaces.

ASTM D 4518: Standard Test Method for Measuring Static Friction of Coating Surfaces.

Note: The above data is based on tests performed on fully cured (28 days at 77 º F) samples of the standard mixture of Set Quick Modified Bonding Additive and Crete Mix.







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